LD Systems PPA 2 Phono RIAA Preamplifier and Equalizer

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Only 5 left in stock (can be backordered)

EAN: 4049521179440
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User’s manual   Ultra compact phono preamplifier and equalizer Proper RIAA equalization RCA inputs and outputs 6.3 mm stereo headphone output connector Sturdy metal housing 12 V AC/DC adapter included The LD Systems PPA 2 is a very compact analogue phono preamplifier, which equalises the extremely low output signal of conventional turntables to RIAA standards. […]

 

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User’s manual

 

  • Ultra compact phono preamplifier and equalizer
  • Proper RIAA equalization
  • RCA inputs and outputs
  • 6.3 mm stereo headphone output connector
  • Sturdy metal housing
  • 12 V AC/DC adapter included

The LD Systems PPA 2 is a very compact analogue phono preamplifier, which equalises the extremely low output signal of conventional turntables to RIAA standards. It allows you to connect to devices without any phono input, such as mixers, PA power amplifiers or sound cards. The phono inputs are designed as RCA jacks, just like the line outputs; the PPA 2 also has a screw terminal for the ground conductor of the turntable and a 6.3 mm stereo jack for connecting a headset. The THD factor of the preamplifier is below 0.05% and the channel separation is -75 dB. The LD Systems PPA 2 uses a 12 V AC adapter; a bright LED indicates the power supply on the top of the sturdy metal chassis.

Product type

Other Studio and Recording Equipment


Type

Stereo Input / Stereo Output


Frequency response

RIAA Curve Hz


Signal-to-noise ratio

70 dB


THD

Weight 0.30 kg

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Quick Comparison

LD Systems PPA 2 Phono RIAA Preamplifier and Equalizer removeFOCUSRITE ISA ONE Microphone Pre-amplifier removeARX 8-PRE 8CHANNEL MICROPHONE PRE-AMP removeARX E-PRE ULTRA COMPACT MIC PREAMP FOR HD RECORDING removeGOLDEN AGE PRE73 MK2 WITH CARNHILL MOD 3 Microphone preamp removeBEHRINGER ADA8200 Microphone preamplifier remove
NameLD Systems PPA 2 Phono RIAA Preamplifier and Equalizer removeFOCUSRITE ISA ONE Microphone Pre-amplifier removeARX 8-PRE 8CHANNEL MICROPHONE PRE-AMP removeARX E-PRE ULTRA COMPACT MIC PREAMP FOR HD RECORDING removeGOLDEN AGE PRE73 MK2 WITH CARNHILL MOD 3 Microphone preamp removeBEHRINGER ADA8200 Microphone preamplifier remove
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SKULDPPA2ISA ONE8-PREE-PREPRE-73 MK2 CARNHILLE005873
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Description
ContentUser's manual  
  • Ultra compact phono preamplifier and equalizer
  • Proper RIAA equalization
  • RCA inputs and outputs
  • 6.3 mm stereo headphone output connector
  • Sturdy metal housing
  • 12 V AC/DC adapter included
The LD Systems PPA 2 is a very compact analogue phono preamplifier, which equalises the extremely low output signal of conventional turntables to RIAA standards. It allows you to connect to devices without any phono input, such as mixers, PA power amplifiers or sound cards. The phono inputs are designed as RCA jacks, just like the line outputs; the PPA 2 also has a screw terminal for the ground conductor of the turntable and a 6.3 mm stereo jack for connecting a headset. The THD factor of the preamplifier is below 0.05% and the channel separation is -75 dB. The LD Systems PPA 2 uses a 12 V AC adapter; a bright LED indicates the power supply on the top of the sturdy metal chassis. Product type Other Studio and Recording Equipment
Type Stereo Input / Stereo Output
Frequency response RIAA Curve Hz
Signal-to-noise ratio 70 dB
THD
ISA OneClassic Single-channel Microphone Pre-amplifier with Independent D.I. Key Features ISA Series Transformer-based Pre-amplifier Encased in a rugged and portable chassis, ISA One offers the classic Focusrite microphone pre-amplifier at its lowest cost to date. Flexible Independent D.I. Channel ISA One is ideal for both engineers and demanding performers alike, featuring independent gain control, an output for routing to an amp, an independent XLR output on the rear and routing to the optional ADC. Switchable Impedance Choose one of four carefully selected input impedances, including the original ISA 110 setting, to suit any microphone. Optional Stereo 192kHz ADC This optional card embodies cutting-edge conversion technology, incorporating Focusrite analogue circuitry to deliver the best A-D performance in its class (Dynamic range of 119dB). Rugged Custom Flight Case Built to protect your ISA One from the rigors of the road. Rugged plywood construction with a solid polypropylene exterior and reinforced corners. Headphone Output with Volume Control ISA One can feed either a sum of the two inputs to the headphones output, or an external stereo cue mix (such as a stereo mix feed from an interface) via two TRS Jack inputs on the rear of the unit. Dedicated Insert Point Allows you to place extra processing between the pre-amplifi er or D.I. and the optional converter, such as an EQ or compressor. Specifications Analogue Channel Inputs
  • XLR Mic input
  • One XLR and one TRS line input
  • XLR Instrument input TRS Jack
  • External ADC input TRS Jack
  • TRS jack return
Analogue Channel Outputs
  • TRS jack send
  • XLR balanced line output
  • XLR DI output
  • TS jack DI through
Analogue Channel Additional I/O
  • TRS Jack cue mix left input
  • TRS Jack cue mix right input
  • 1/4” TRS Jack headphones output
Mic Input Response
Gain range 0dB to 60dB in 10dB steps + 20 dB of variable gain
Input Impedance Switched Impedance setting Equivalent Input Impedance at 1kHz Low = 600 Ohms ISA110 = 1400 Ohms Med = 2400 Ohms High = 6800 Ohms
EIN (Equivalent Input Noise) -126dB measured at 60dB of gain with 150 Ohm terminating impedance and 22Hz/22kHz band-pass filter
Noise Noise at output with unity gain (0 dB) and 22 Hz-22 kHz band pass filter -97 dBu
Signal-to-Noise Ratio 106 dB relative to max headroom (9dBu)
Total Harmonic Distortion + Noise Measured at medium gain (30dB) with a 1kHz -20dBu input signal and with a 22Hz/22kHz band-pass filter
Frequency Response At minimum gain (0 dB) -0.5dB down at 10Hz and -3dB down at 125kHz
At maximum gain (60dB) -3dB down at 16Hz and -3dB down 118kHz
CMRR (Common Mode Rejection Ratio) 98dB (Channel 1, 1kHz, maximum gain with +24 dBu input)
Crosstalk Channel to Channel With 10dB@1kHz input to chA, chB output =104dBrA. With 10dB@10kHz input to chA, chB output = 84dBrA
Line Input Response
Gain range -20dB to +10dB in 10dB steps + 20 dB of variable gain
Input Impedance 10 kΩ from 10 Hz to 200 kHz
Noise Noise at main output with gain at unity (0 dB) measured with 50 Ω source impedance and a 22Hz - 22 kHz band pass filter -96 dBu
Signal-to-Noise Ratio Measured with a 22 Hz-22 kHz band pass filter 120 dB relative to max headroom (24 dBu) 118dB relative to 0dBFS (+22dBu)
Total Harmonic Distortion + Noise Measured with a 0 dBu input signal, and a 22 Hz-22 kHz band pass filter 0.0001%
Frequency Response At unity gain (0 dB) -0.3dB down at 10Hz and -3dB down at 200kHz
Instrument Input Response
Gain range 10dB to 40dB continuously variable
Input Impedance High = greater than 1M Low =greater than 300k
Noise Measured with 22 Hz-22 kHz band pass filter Minimum gain (+10 dB): -92 dBu Maximum gain (+40dB): -62dBu
THD At minimum gain (+10)
Frequency Response At minimum gain (+10 dB) -10dB input: 10Hz-100kHz +/- 0.6dB
At maximum gain (+40 dB) -40dB input: -2.5dB down at 10Hz and 0dB at 100kHz
Meters
Moving Coil (MC) Meter factory calibrated to 0VU = +4dBu with 1kHz sinewave. With the VU Cal button pressed the meter can be adjusted on the rear panel to allow 0VU to equal +10dBu to +26dBu with the centre detent being equal to +22dBu.
Peak LED Meters Calibrated in the detent position for 0dBFS = +22dBu, calibration is adjustable on the rear panel to allow 0dBFS to equal +10dBu to +26dBu
Routing for MC and Peak1 meter is after the HPF, pre insert send or switched post insert return. Peak2 is always pre ADC channel 2, which can be fed by external input or Instrument input.
LED Levels As follows, when peak calibration is set to center detent on the rear panel. (This is when using the internal ADC). 0 = +22dBu -2 = +20dBu -6 = +16dBu -12 = +10dBu -18 = +4dBu -42 = -20dBu
Frequency Response At minimum gain (+10 dB) -10dB input: 10Hz-100kHz +/- 0.6dB
At maximum gain (+40 dB) -40dB input: -2.5dB down at 10Hz and 0dB at 100kHz
High-Pass Filter
Roll-Off 18 dB per octave (3 pole filter)
Frequency Fixed 75Hz measured at the 3dB down point
Weight and Dimensions
W x D x H 220mm (W) x 104mm (H) x 254 - 290mm (D - top to bottom) 8.66" (W) x 4.1" (H) x 10" - 11.4" (D - top to bottom)
Weight 3.9 kg 8.6 lbs

Applications

Console input extending for both Digital and Analog mixing
consoles in Studio, Live and Broadcast
Mic Pre-amps for ADAT/ Hard Disk/ Multitrack Recording
 
Innovation
If you love your compact Digital (or Analog) mixing console, but wish it had
more microphone inputs, ARX has the solution ? the 8 Pre: eight channels
of superb sounding Microphone Pre-amps in a compact 1 RU chassis.
The 8 Pre is the ideal console extender for those times when you need more
microphone inputs. Now you can put those unused line inputs to good use,
and who knows - the 8 Pre pre-amps sound so good that you?ll probably end
up using them all the time instead of the ones that came with your mixer!
Superb Audio Quality
The 8 Pre?s ultra low noise figures come from extensive use of premium
components plus care and attention to board design and layout. The result is
superb, transparent audio quality and the headroom to handle anything that a
mic can throw at it.
Gain is adjustable from 20 db through to 60 dB via a trim control on the front
panel, plus we?ve included a ?20dB Pad switch to tame the hottest condenser
mic output if required. The Clip status LED lights up 1 dB before the onset of
clipping, just to warn you you?re getting close.Phantom power is switchable in
banks of four channels: 1 through 4, 5 through 8. A Phase reverse switch is also
provided on each pre-amp channel to eliminate any close miking problems.
In short, the ARX 8 Pre is the mic Pre-amp that you?ll wish the console manufacturer
had used. It provides a unique solution to today?s multiple Mic Pre-amp requirements.

T E C H N I C A L S P E C I F I C A T I O N S
Input Gain 20dB to 60dB
Input Pad ?20dB
Input Impedance 4 KOhm
Input Headroom +23dB
Output Impedance 300 Ohm
Output Level (Max) +23dB
Frequency Response 20Hz ? 20KHz ±0.2 dB
Signal to Noise ratio (Gain set @ 20 dB)
?93dB Unweighted, ?99dB ?A? weighted
Distortion @ Unity Gain .004%, 20 Hz ? 10 KHz
Dynamic Range 116 dB
Phantom Power 48 VDC
Input Connectors Balanced XLR
Output Connectors Balanced TRS jack
Clip Indicator Illuminates 1 dB prior to clipping
Power Requirements 100/120 V AC, 220/240 V AC
Weight 5 lbs/2.2 Kg
Dimensions 19“W x 1?“H x 6“D, 482 x 44 x 155mm

Features
Superlative sound
Studio quality mic preamp
Total control - Input Gain, EQ contour, Output Gain,
Overload indicator
Multiple output connectors
XLR/jack combo input 
Switchable 48 V DC Phantom Power for condenser Mics
Compact, computer friendly package
Needs no external power supply
 
ARX is proud to introduce the e-pre - the ultimate microphone pre-amp for
hard disk recording, designed by audio professionals, not computer engineers.
The all-new e-pre is so much a part of your system that it fits right into a spare
5?" slot in your computer case! It's the perfect tool for all your day-to-day
recording requirements. No equipment racks to plug in, no masses of cabling to
connect - the e-pre is ready and waiting when you need it.
The e-pre is a studio quality microphone pre-amp using the same internal components
as high end mixing consoles, built into a compact, computer friendly package.
It has controls for:
Input Gain - fully variable from 10dB through to 60dB to suit all types of microphones,
plus switchable 48 V Phantom Power to enable condenser microphones to deliver
their best.
A Contour control for EQ sweetening, providing fast, easy access to a whole range
of useful EQ curves
Output level control - fully variable to match the e-pre's output to the input of the sound
card. From -10dB consumer cards through to +4dB for professional sound cards, the
e-pre can handle it.
Multiple output connectors match up with any kind of sound card, including mini jacks,
standard jack, RCA (phono) plugs, and even a connector to link to the internal CD ROM
audio input of your sound card (if fitted).
We've even fitted a 12 VDC input connector on the rear to enable the e-pre to run from an
external power supply if required (eg for use with notebook computers or stand-alone use).

Any way you look at it, the e-pre by ARX is the total professional microphone pre-amp for
all your hard disk recording needs

e-pre Benefits
Professional Balanced XLR mic input
True 48v phantom power
Runs into the Line input of ANY sound card - uses the card you've already paid for
High headroom = clean recordings
Smart EQ
Compatible with non-computer audio equipment
Professional performance and specs in a user friendly package
 

T E C H N I C A L  S P E C I F I C A T I O N S
Input Impedance
Mic 2 K Ohms Balanced; XLR type Pin 1 Audio Ground, Pin 2 +, Pin 3-
Line 25 K Ohms Balanced, ?" TRS jack Tip +, Ring , Sleeve Audio Ground
Phantom Power Voltage Switchable +48 V DC on XLR Pins 2 and 3
Max Input Level Mic +15 dB, Line +20 dB
Input Gain 10 dB Minimum, variable to 60 dB Maximum
Output Level -10 dB variable through 0 dB to +4 dB
Overload Indicator Measured at all Gain points throughout the circuitry
Output Noise -90 dB Unweighted, -97 dB 'A' weighted
(Measured with Gain nominal 20 dB, Output level -10 dB)
Frequency Response 20 - 20 KHz ± 0.25 dB
Distortion
100 Hz 0.0085%
1 KHz 0.008%
10 KHz 0.0083%
(Measured with Mic Gain 20 dB, Output 0 dB)
Power Requirements 12 V DC from either computer supply or external supply
(external power supply not included in e-pre package)
Size 148mmW x 42mmH x 150mm D (5?“W x 1?H x 6“D)
Weight Under 1 Kilo (2.2 lbs)
 

The PRE-73 Mk2 is the first one-channel low-cost preamp on the market that is using a fully discrete signal path with three separate transformers for the balanced mic input, the line input and the output.

The circuit is very similar to the classical preamp section of the Neve 1073 pre/eq module with a corresponding sound character that is warm, punchy, sweet and musical.
This classical sound has been heard on countless recordings through the years and it is a versatile sound that works very well on most sound sources and in most genres.

The PRE-73 Mk2 has a maximum gain of 80 dB on the mic input and the gain range on the Line input is -20 to + 10 dB. There is also a high-impedance instrument input.

The PRE-73 Mk2 is perfect for almost any signal source, no matter if it's a microphone with a high or low sensitivity (like a passive ribbon mic), a syntheziser or sound module or an electric guitar or bass.

The input impedance of the microphone input can be switched between 300 and 1200 ohms, which makes it possible to affect the tone of most microphones. There is also phase switch and an simple 4-step LED signal level meter.

The output level control makes it possible to make fine gain adjustments and also to overload the main gain stage for more character and then lower the signal to a suitable level before the output stage.

The Mk2 update consists of:
- An unbalanced insert jack (nominal level about 18 dBu) added on the back panel for inserting units like the coming GAP EQ-73, a three band eq.
-  LED meter levels adjusted.
- 600 Ohm termination resistor and jumper added to power supply board (accessible from the inside of the unit).
- Revised Gain switch, turning the know clockwise now increase the gain.
- Reduced noise at high gains by a change to the power supply grounding scheme.

    • Ultra-high quality 8-channel A/D and D/A interface for virtually any digital recording/mixing environment
    • 8 state-of-the-art MIDAS designed Mic Preamplifiers
    • Phantom power on all microphone inputs
    • Reference-class Cirrus Logic 24-bit converters for ultimate signal integrity
    • Processes 48 and 44.1 kHz sample rates
    • External sample rate synchronization via word clock or ADAT input
 
  • Optical ADAT in/out interface for ultimate compatibility
  • All mic/line inputs routed to the ADAT output
  • ADAT input routed to all Line outputs
  • “Planet Earth" switching power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
Weight0.30 kg4.00 kg2.00 kg1.00 kg3.60 kg3.00 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 0.30 kg
Weight 4.00 kg
Weight 2.00 kg
Weight 1.00 kg
Weight 3.60 kg
Weight 3.00 kg