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Delta Archives - Giussani-Research

Delta 4 R10


Delta 4 R10 technical specifications

Installation

Floor standing

Ways

5 electric – 6 acoustic

Speakers

2 high excursion GR woofer Ø 12″ rubber surround,
2 planar low-midrange push-pull neodymium,
1 planar high-midrange push-pull neodymium,
1 planar tweeter push-pull neodymium

Crossover

Linkwitz-Riley/GR (electrolytic capacitors free)

Woofer loading

Acoustic Suspension

Sensitivity

93 db SPL standard listening conditions

Nominal Impedance

4 ohm

Amplifier maximum suggested power

150÷1000 watt RMS (no clipping) bi-amping

Wiring

Mono/Bi-Wiring

Dimensions

19 W x 65 H x 18 D in

Weight

93 lb

Suggested listening distance

>= 10 ft

Rear wall Min/Max distance

Min = 4 in / Max = according to listening room acoustics

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Delta 4 R9

Delta 4 R8

Delta 4 R7


Delta 4 R7 technical specifications

Installation

Floor standing

Ways

3

Speakers

1 high excursion GR woofer Ø 8″ rubber surround,
1 planar midrange push-pull neodymium,
1 soft-dome tweeter Ø 3/4″

Crossover

Linkwitz-Riley/GR (electrolytic capacitors free)

Woofer loading

Acoustic Suspension

Sensitivity

87 db SPL standard listening conditions

Nominal Impedance

8 Ohm

Amplifier maximum suggested power

50÷250 watt RMS (no clipping) bi-amping

Wiring

Mono/Bi-Wiring

Finish

Dimensions

11.5 W x 53 H x 14 D in

Weight

48.5 lb

Suggested listening distance

>= 7 ft

Rear wall Min/Max distance

Min = 4 in / Max = according to listening room acoustics

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Delta Butterfly One


Delta Butterfly One Technical specifications

Installation

Stand or bookshelf (suggested height 31 in)

Ways

3

Speakers

1 woofer Ø 8″ rubber surround,
1 mid-woofer Ø 8″ rubber surround,
1 planar tweeter push-pull neodymium

Crossover

Linkwitz-Riley/GR (electrolytic capacitors free)

Woofer loading

DDELS© (Dual Driver Extended Loading System)

Sensitivity

87 db SPL standard listening conditions

Nominal Impedance

4 Ohm

Amplifier maximum suggested power

50÷250 watt RMS (no clipping) bi-amping

Wiring

Mono/Bi-Wiring

Finish

Nextel graphite, customization on demand

Dimensions

9.5 W x 16 H x 13 D in

Weight

40 lb

Suggested listening distance

>= 5 ft

Rear wall Min/Max distance

Min = 0 in / Max = according to listening room acoustics

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