Amplifiers Manuals
Grapevine HeadAmp 4
designed by
HeadAmp 4
Key Features
Technical Specifi cations
The HeadAmp 4 is a high-quality Class A headphone
• High-quality, discrete Class A headphone amplifi er
Connectors:
balanced 1/4“ TRS
amplifi er designed for a wide variety of studio and live
circuits
Input level:
+21.2 dBu (input -12 dB)
applications. Next to the classic multi-headphone situa-
• Will also power low-impedance headphones
Input impedance:
10 kOhm
tion for recording, the HeadAmp 4 is also ideal as a:
• Handles even extremely high input levels, e.g. from other
Output impedance:
50 Ohm
• Reference studio amplifi er
headphone outputs
Output voltage:
600 Ohm/7.4 Veff
• Perfect alternative to low-quality amplifi er stages in
• Exceptionally low noise and distortion, especially at low
300 Ohm/7.1 Veff
sound cards and entry-level consoles
impedances
150 Ohm/6.6 Veff
• Active line-level signal distributor
• Switchable input sensitivity
50 Ohm/5.3 Veff
• Four output modes: Stereo, Left Channel Only, Right
Frequency response:
10 Hz-100 kHz (-0.5 dB)
The HeadAmp 4 is built in Germany to SPL standards for
Channel Only, Mono
THD+N:
› 95 dB
years of trouble-free service, using:
• Rear-panel connectors for daisy-chaining multiple units
Noise:
› -90 dBu
• Internal power supply with standard IEC connector for
CMRR:
› 80 dB
easy, secure AC connection
Output resistance:
10 Ohm
• Highest quality potentiometers and switches from ALPS
Fuse:
125 mAT
• Double-sided PCB for maximum durability and contact
Power supply:
block transformer, 5 VA
reliability
Dimensions:
19 inch, 1 U rack space
• Rugged metal casing
Weight:
4 lbs
SPL USA · 2498 Rikkard Dr. · Thousand Oaks, CA 91362. For further information call 805 241 5140, fax 805 435 7455, email [email protected] or visit www.spl-usa.com
Big size of image:
Please install Flash player from http://get.adobe.com/flashplayer/!