Shinjitsu Audio HIRO 6.5 User manual

Manual
SHINJITSU AUDIO
Luxury Audio Design
Hiro 6.5

Table of Contents
PAGESECTION
Placement and Room Size 1
Toe In 2
Crossover 3
Bi-Wire and Bi-Amp 4
5
Horn Placement
Horn Placement
6
Cleaning 7

PLACEMENT
Place the speakers at an equal distance from the side walls, if possible, with at least 5 feet between them and
ideally 24 inches or more from the wall. Recommended stand height is 16 inches. Speaker height on stands should
place the horns at ear level when seated.
ROOM SIZE
The ideal room should be rectangular or square with equal distribution of furniture. Most rooms do not fall into this
category, so some balance adjustments or wall treatments may be needed. Speakers should be placed at least 2
feet from the back wall to minimize reflections and present a deep soundstage. Bass impact and depth can be
adjusted using back wall distances, with closer positioning maximizing bass output. Bass boominess can be
tamed by pulling the speakers farther out into the room. In severe cases when back wall placement must be less
than 1 foot, a small amount of wool or dacron stuffing can be placed into the port exit.
1

TOE IN
Speaker toe-in can be defined as pointing a loudspeaker inward toward the listener rather than aiming it straight
ahead. Toeing in the speakers can reduce the apparent size of the soundstage but allows for a more precise
image definition. When toed in, the speakers provide a more focused, sharply delineated soundstage. Excessive
toe-in can produce an overly narrow soundstage lacking in spaciousness and causing high-frequency beaming.
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TOE IN
SWEET SPOT
2

CROSSOVER
This speaker utilizes a third-order crossover for the bass and a first-order crossover for the horn. The crossover
provides for the horn phase to be opposite that of the main driver. This means the horn’s red and black terminals
are reversed from the main drivers. The terminals are connected out of phase and will be configured that way
when you receive them. Do not put them into phase with the main driver loss of center imaging will result.
3
IMPORTANT: The horn resistor must be in place as shown for the horn to
function. Vary the resistor's value to change the horn's output: Lower values
increase output higher values decrease output.

BI-WIRE & BI-AMP
Speaker wiring options
Our speakers provide flexibility to wire in 3 configurations based on your setup:
Conventional Wiring:
Use short jumper cables (not included) to connect the high and low-frequency terminal pairs
on each speaker: Red to Red, Black to Black.
Run one speaker cable from the amplifier's right and left channel outputs to the respective
speaker terminals.
Bi-Wiring Style:
Run one speaker cable from the amp to the low-frequency terminals.
Run a second speaker cable from the amp to the high-frequency terminals.
Bi-Amping Style:
Use an amplifier channel for the lows and another for the highs.
Connect the low frequency terminals to one amp channel.
Connect the high frequency terminals to the other amp channel.
4

5
HORN PLACEMENT
Instructions
Position the horn assembly securely atop the speaker cabinet with the mouth facing forward.
Remove the outer screw caps and screws. Align the horn brackets so the front lip is flush with the baffle for proper
time alignment.
The horn lip should be even with the cabinet front edge.
Insert the outer screws through washers and into the brackets and top plinth. Use the provided bit to tighten the
screws until snug – do not over tighten.
Screw the caps back onto the outer screws when finished to cover them.
Leave the middle screw/cap in place to secure the plinth.
If the horn is not straight, loosen the bracket nuts slightly with the 10mm wrench and realign.
Key Points:
Face horn forward, flush with baffle
Remove outer screw caps
Attach brackets to line up lip with cabinet front
Insert screws through washers and brackets
Tighten snugly with provided bit
Replace outer screw caps
Leave middle screw/cap to hold plinth
Use wrench to realign if needed
Let me know if any part of the horn installation remains unclear!
Proper placement is key for optimal sound.
Note: The horn must be wired and connected to play. Use the top red/black terminals.
Face the horn forward and align the front lip flush with the
baffle. Secure using the outer screws and washers (not the
middle screw). Tighten just until snug - do not over-tighten.

6
Fine-Tuning High Frequencies
An attenuation resistor on the top plate lets you adjust the high-frequency balance. Higher resistance values
increase highs, while lower values reduce them.
Horn Driver Polarity
The horn's red wire connects to the compression driver's red positive tab. The black wire connects to the black
negative tab.
At the speaker, connect:
- Red wire to the black negative terminal
- Black wire to the red positive terminal
This reverses the polarity, which is correct for the horn's phase alignment.
HORN PLACEMENT
Instructions cont’d...

Copyright 2019 Shinjitsu Audio
www.shinjitsuaudio.com
CLEANING AND MAINTENANCE
- Clean surfaces with a microfiber cloth slightly dampened with glass cleaner. Do not spray drivers directly.
- Gently sand minor scuffs and apply a small amount of Danish oil with a tee-shirt, then wipe away excess.
Please let me know if you have any other questions!
We want to ensure optimal set up and enjoyment of your new speakers.
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