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The BlockHead Owner's Manual
The BlockHead is the world's first and only commer-
cially available fully balanced, double dual-mono,
mono-block headphone amplifier. While it's finesse
and depth of imaging are a significant improvement
over anything we've previously experienced with
dynamic headphones, it's the BlockHead's Adam's
apple wobbling bass reproduction and eye blinking
impact that have us re-thinking everything we
thought we knew about headphones.
obsessed headphone geeks at your service.
www.headphone.com
The BlockHead Owner's Manual
Headphone Amplifier
HeadRoom Corporation
1
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Summary of Contents for HeadRoom BlockHead
- Page 1 The BlockHead Owner’s Manual Headphone Amplifier HeadRoom Corporation The BlockHead is the world’s first and only commer- cially available fully balanced, double dual-mono, mono-block headphone amplifier. While it’s finesse and depth of imaging are a significant improvement over anything we’ve previously experienced with dynamic headphones, it’s the BlockHead’s Adam’s...
- Page 2 A Tour of Your HeadRoom BlockHead Amp 1. Volume Control 2. Gain Switch 3. Processor Switch 4. Filter Switch 5. Phase Switch 6. The Headphone Jack 800.828.8184 www.headphone.com...
- Page 3 5. The Phase Switches. Audio sources will commonly invert the phase on a recording. Use this switch to correct the problem. 6. The Headphone Jacks. The Neutrik headphone jacks on The BlockHead clamp down tightly for optimum signal transfer. They will accomodate both a 1/4”...
- Page 4 BlockHead Rear Panel 1. Power Switch/ DC 3. Line In Input Crossfeed 4. Ground 2. Voltage Lift Switch Indicator Crossfeed In 800.828.8184 www.headphone.com...
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Page 5: Voltage Indicator
For normal use, the Ground Lift Switch should be on ‘float’. The crossfeeds ennable the audio image processor to Crossfeed Out. work with the BlockHead. Use the supplied 1ft. Crossfeed In. Dimarzio cables to loop one block to the other. Sennheiser 600’s... - Page 6 What’s so special about a fully-balanced headphone amp? Headphones share a common connection on the non-driven side of the driver elements. You can see this by looking at a headphone plug; the left channel connection is at the tip, the right channel connection is the ring, and the common connection were talking about is the remainder of the plug shaft, called the sleeve.
- Page 7 OFF position when listening through speakers to avoid goofing up your imag- ing and frequency response. Because the BlockHead is a fully balanced unit, it is a good idea to call us on the details of how to hook up the BlockHead to your source. The BlockHead Owner’s Manual...
- Page 8 Despite this lack of acoustic data, you mind attempts to laterally locate sounds. The result is a troubling blobs-in-the-head sonic image. Your brain ends up frus- trated and fa- tigued. without HeadRoom with HeadRoom 800.828.8184 www.headphone.com...
- Page 9 Processor, just unplug one of the line inputs to The BlockHead and listen for a few moments with the Processor off. Now switch the Processor on and hear the difference. [ pause for experimentation ] See, it really is doing something dramatic.
- Page 10 How to Hook Up Your BlockHead Amp On the back of your BlockHead amp you will find 6 inputs. Two inputs are from your source, one for the left channel and one for the right. The other 4 connectors are for wiring the crossfeed circuit, ennabling the HeadRoom processor.
- Page 11 Because HeadRoom amps must be capable of driving even the most inefficient dynamic headphones to satisfactory listening lev- els, the amps are able to drive headphones of average and high efficiencies to very high levels.
- Page 12 30-day Satisfaction Guaranty Unless specifically stated, all HeadRoom purchases come with a 30-day satisfaction guaranty. We do this because we want to give you the opportunity to change your mind after you get to hear the products you bought. We’re very glad to give you this option, and we want you to use it if you aren’t happy with your purchase, but we also want you to be aware of the conditions under which...
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