| Content | LD Sytems HPA 4 - a compact and powerful headphone amplifier
The LDHPA4 has small dimensions, can handle up to 4 headphones and has an output power with no equal in its class. That means high volume with no distortion. With these features the LDHPA4 is an essential tool for every project- and home studio.
Specifications
Product type
Headphone Amp:
Inputs
2
Input connectors
6.3 mm TRS , RCA
Input impedance
1 k Ohm(s)
Outputs
2
Output connectors
6.3 mm Jack
Power output
4 x 100 mW
Minimum connected impedance
10 Ohm(s)
Frequency response
20 - 20.000 Hz
Controls
4 x headphone volume , Mono/stereo switch
Indicators
Power
Operating voltage
External Power Supply
Operating voltage
24 V DC
Cabinet material
metal
Cabinet surface
painted
Width
94 mm
Height
48 mm
Depth
82 mm
Weight
0,27 kg
Accessories (included)
power supply |
Overview
With Sennheiserʼs HDVD 800, sound is perfect. The HDVD 800 is able to connect with digital sources and is equipped with a high-quality Burr-Brown digital/analog converter (DAC) that converts digital audio data into analog signals with a resolution of 24 bits and a sampling rate of up to 192 kHz. This enables the HDVD 800 to transmit the entire frequency spectrum of high-end audio sources without any loss of frequencies.
In addition to the symmetrical inputs, the HDVD 800 also has an asymmetrical input socket; incoming signals are symmetrized before further processing takes place. Digital sources can be connected to the rear of the unit via an XLR (AES/EBU) input, optical and coaxial (S/PDIF) digital inputs or USB. All digital inputs accept signals up to 24 bit at 192 KHz*. Designed and manufactured in Germany, this high-end, solid-state amplifier harmonize perfectly and deliver an ultimate acoustic performance when paired with any of Sennheiserʼs audiophile headphones.
Features
D/A transducer for all common formats up to 24 bit / 192 kHz
D/A transducer can be used for CD and DVD players
AES/BU, S/PDIF, USB inputs
Symmetrical (XLR) and asymmetrical (RCA) analog inputs
Symmetrical output
Sockets for four sets of headphones (two of which symmetrical)
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The compact HX-3 Headphone Distribution Amplifier is the perfect accessory to quickly provide three high-performance stereo headphone feeds with individual level controls from line-level sources. The HX-3 can produce very high headphone levels with extremely low noise and distortion.
HX-3 Key Features
Great for radio, television, film, and music production applications, the battery-powered HX-3 accepts balanced XLR line-level inputs or unbalanced 1/4-inch and 1/8-inch stereo inputs. Its 1/4-inch loop-out can connect multiple HX-3's for additional headphone outputs. Headphones are connected to panel-mounted 1/4-inch stereo connectors.
The HX-3 has a durable aluminum chassis to withstand the punishment of field and studio environments. The unit is powered by inexpensive batteries (two-AA) or external 5-18 VDC.
The HX-3 can add headphone outputs to the 552, 302, MixPre-D, MM-1, and USBPre-2.
HX-3 Key Features List - Three isolated headphone outputs with individual volume controls.
- 125 dB dynamic range with flat frequency response.
- Durable 1/4-inch connectors, panel mounted for strength.
- Stereo or mono monitoring.
- Peak LED indicates headphone overload.
- Two balanced XLR line level inputs or unbalanced 1/4-inch and 1/8-inch stereo inputs.
- Loop Output to connect additional HX-3's in series.
- All-metal connectors solidly mounted to the chassis for durability and RF immunity.
- Free from "Pin-1" grounding problems.
- Internal battery-power for up to 18 hours from two AA alkaline batteries.
- Chassis-isolated 5 to 18 VDC input for easy external DC powering.
- Power LED indicates low battery power.
- High strength, extruded aluminum chassis with protective metal end panels.
| Palmer Monicon, and the volume is right!
With Palmer Monicon, your monitor volume is always under control. The passive mini-mixer with the oversized control is inserted between the stereo output of the notebook, PC or interface and an active monitor system and thus permits convenient and precise volume control of the monitors from the workstation. The passive circuitry with only a few components has absolutely no affect on the sound. Mute and mono buttons make it possible to mute the outputs and merge the stereo output signal into a mono master signal.
The inputs and outputs of the controller are equipped with XLR connectors and the 3.5mm stereo TRS sockets usually found on computers. Combo input sockets also permit connection with 6.3 mm TRS plugs. Thus the Palmer Monicon is compatible with both professional and consumer equipment. Genuine wood sides make the practical studio tool in its massive powder-coated sheet steel housing an elegant looking "little helper" that is a typical Palmer product.
- Type: passive
- Number of channels: 2
- Number of inputs: 2
- Input connections: XLR Combo / 3.5mm stereo jack
- Input type: balanced/unbalanced
- Maximum input level: +20 dBu
- Input impedance: 10 kohms balanced/ 5 kohms unbalanced
- Number of outputs: 2
- Output connections: XLR/m, 3.5 mm stereo jack
- Output type: balanced/unbalanced
- Max output level: +20 dBu
- Output impedance: 600 ohms
- Frequency response: 10Hz - 40 kHz +/- 1 dB
- THD: 0,001 %
- Max. attenuation: 85 dB (attenuator), 112 dB (attenuator + mute)
- Controls: Attenuation, Mute, Mono
- Housing material: sheet steel/wood
- Housing surface: powder-coated
- Width: 164 mm
- Height: 62 mm
- Depth: 85 mm
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The amPlug Night Train perfectly simulates the high-gain sound of the compact VOX Night Train tube amp. Just as with the actual Night Train head, you can switch between the two preamp sounds. The BRIGHT position boosts the high-frequency range; the THICK position offers a chunkier, heavier sound. The emulated speaker cabinet circuit accurately recreates the sound of the Night Train amp being played through the matching V112NT single 12" Night Train speaker cabinet. As a finishing touch, amPlug Night Train share some of the cool looks of its namesake amplifier.
Specifications - Controls: Gain, Tone, Volume; STANDBY/ON/FX switch
- Terminals: PHONES Jack (stereo), AUX In Jack (stereo)
- Power supply: AAA batteries (x 2)
- Battery life: amPlug Night Train:
- With zinc-carbon batteries: approximately 9 hours
- With alkaline batteries: approximately 24 hours
- Dimensions (W x D x H): 86 x 80 x 31mm/3.39" x 3.15" x 1.22“
- Weight: 40 g/1.41 oz. (not including batteries)
- Included items: AAA batteries (X2) (for verifying operation)
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The amPlug Twin rolls back the years to capture the sound of the legendary clean American dual speaker combo tube amp. Noted for its sparkling and sustained clean sound, this amp has been is widely used in many genres - rock, blues, jazz, country, and more. Raising the gain provides a powerful American tube overdrive sound. A stereo chorus effect is built into the amPlug Twin, adding natural spaciousness and depth to the sound. As you play these sounds, you're sure to forget the passage of time, and lose yourself in the tones loved by musicians in styles such as jazz, country, and blues.
Specifications - Controls: Gain, Tone, Volume; STANDBY/ON/FX switch
- Terminals: PHONES Jack (stereo), AUX In Jack (stereo)
- Power supply: AAA batteries (x 2)
- Battery life: amPlug Twin (FX on):
- With zinc-carbon batteries: approximately 3 hours
- With alkaline batteries: approximately 11 hours
- Dimensions (W x D x H): 86 x 80 x 31mm/3.39" x 3.15" x 1.22“
- Weight: 40 g/1.41 oz. (not including batteries)
- Included items: AAA batteries (X2) (for verifying operation)
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